Outdoor circular band antenna



June 19, 1956 w. E. TROUTMAN UTDOOR CIRCULAR BAND ANTENNA Filed Nov. 25, 1952 3 Sheets-Sheet 1 1N VENTOR. MzZa/Z 7}011/7774/2 ATTD RN EYS June 1956 w. E. TROUTMAN 2,751,590

OUTDOOR CIRCULAR BAND ANTENNA Filed Nov. 25, 1952 3 Sheets-Sheet 2 d r 74 6.9 4 7 0 g 7 n A i l 2 I ATTD RN EYS June 19, 1956 w. E. TROUTMAN 2,751,590

OUTDOOR CIRCULAR BAND ANTENNA Filed Nov. 25, 1952 3 Sheets-Sheet 3 ATTIIIIRNEYB United States Patent OUTDOOR CIRCULAR BAND ANTENNA Wilbur Earl Troutman, Los Angeles, Calif. Application November 25, 1952, Serial No. 322,541

6 Claims. (Cl. 343-866) This invention relates to antennas formed with laterally and vertically spaced circular bands carried by supports of non-conducting material used in combination with re flectors, and individually connected to elements of a television receiver.

The purpose of this invention is to provide an improved arrangement of antenna elements whereby elements, and particularly circular bands are spaced laterally and stacked in array whereby signals, such as television signals are readily received and readily conveyed to a television receiver or the like.

Various attempts have been made to provide combinations of signal receiving elements and reflectors with the parts of different sizes and capacities to improve the reception of television signals, however, it is diflicult to provide a receiving element of a different size for each wave channel and for this reason antennas of numerous television receivers are not highly eflicient. With this thought in mind this invention contemplates a plurality of stacked bands in combination with reflectors wherein a small band representing the length of arms required by a channel requiring a short arm is used in combination with a large band corresponding with the length of the arms required by a channel requiring the longer arms whereby the arms required by the intermediate channels fall between the two bands so that an antenna is provided that compensates for the various lengths of arms required by the diflerent channels.

The object of this invention is, therefore, to provide means for forming the elements of a television antenna whereby an antenna covering the range of all channels may be incorporated in a common mounting.

Another object of the invention is to provide an improved television antenna using circular bands for the signal receiving arms in which the bands are used in combination with reflectors and also in which the bands may be individually connected to elements of a television reeciver.

A further object of the invention is to provide an improved television antenna in which signals are received by stacked circular bands and in which the antenna is of a simple and economical construction.

With these and other objects and advantages in view the invention embodies a horizontally disposed arm or support adapted to be carried by a post, bands carried by the support, upper bands of a size smaller than that of the former bands also carried by the support and spaced above said former bands, and reflectors positioned partly around some of the bands. 1

Other features and advantages of the-invention will appear from the following description taken in connection with the drawings, wherein:

Figure l is an elevational view illustrating the improved antenna showing spaced small bands suspended above and spaced from large bands and also showing a reflector positioned behind the large bands.

Figure 2 is a plan View, with the parts shown on an 2,751,590 Patented June 19, 1956 enlarged scale, showing the elements of one end of the antenna.

Figure 3 is a longitudinal section through one end of the antenna taken on line 3-3 of Figure 2.

Figure 4 is a detail illustrating one of the bands and showing the band in an extended position.

Figure 5 is a longitudinal section similar to that shown in Figure 3 illustrating a modification wherein the large band is mounted on the end of a wood arm and a small band is suspended above and carried by a support to which the large band is also attached.

Figure 6 is a plan view showing the arrangement of the bands, as shown in Figure 5.

Figure 7 is a detail illustrating one of the bands with the ends of the band extended.

Figure 8 is a front elevational View, similar to that shown in Figure 1 showing a further modification wherein two small bands are carried by larger bands with the larger bands mounted on a support carried by a post.

Figure 9 is a plan view illustrating the antenna shown in Figure 8 and showing a band at one side of the post, the parts being shown on an enlarged scale.

Figure 10 is a detail showing a section taken on line 10-10 of Figure 9 illustrating the method of attaching a band to a supporting bar.

Figure 11 is a detail showing a section taken on line 1111 of Figure 9 illustrating the mounting of a small band on a support or arm on which a large band is positioned.

Figure 12 is a detail illustrating the method of mounting a small band or reflector on a supporting arm.

The antenna of this invention includes conductors formed with large lower circular bands and small upper circular bands with the large and small bands positioned in vertically spaced parallel planes and with both bands secured to and extended from vertical support members with edges of the bands secured to the support members being aligned vertically whereby the smaller bands are moved over to the sides of the larger bands and with the diameters of the smaller bands equal to one-half of the diameters of the larger bands the extended edges of the smaller bands are positioned on vertical axes extended through the larger bands.

Referring now to the drawings wherein like reference characters denote corresponding parts the improved antenna of this invention includes a bar 10 providing a support and, particularly as illustrated in Figures 1, 2 and 3, lower circular bands 11 and 12 carried by the ends of the bar, upper circular bands 13 and 14 suspended by brackets 15 and 16, respectively, above the bands 11 and 12, and a reflector 17 carried by an arm 18 extended from the bar 10.

Although it will be understood that the bar 10 may be made of wood or non-conducting material and the bands may be made of a Dura-aluminum or the like, the parts may be made of other suitable materials.

As illustrated in Figure 4 a band, such as a band 11 is formed with an opening 18 at one end and spaced openings 19, 20 and 21 in the opposite end wherein with the ends over-lapped adjustment is provided in the diameter of a band formed thereby providing means to compensate for diflerent characteristics of television channels.

The bar 10 is preferably mounted on a post 22 with a U bolt 23 having nuts 24 and a washer or plate 25 on threaded ends thereof, and the bands 11 and 12 are secured to the ends of the bar with U clamps having threaded openings 26, in flanges 27 and 28, the flanges being secured to the bar 10 by the bolts 29 and 30. Angle irons 31 with depending legs 32 are secured to the under surfaces of the flanges 28 by the nuts 33 of the bolts.

The ends of the band are secured in over-lapping rela- 3 tion by a bolt 34 which alsoextends through openings 35 in the webs 36 of the U-shape brackets or clamps with which the bands are mounted on the ends of the arm.

The brackets and 16 which support the upper bands 13 and '14 are provided with base flanges 36 that ar'e'held by the heads of the bolt 29 and 30 and the upper endsof the'brackets are provided with slotted openings 37 in which the bands ar'secured'with bolts 38.

The reflector 17'is'secured to a flange 39, at the end of the arm 18, and the arm is secured to the bar 10 with bolts40; By this rrieans the reflector'17 is positioned to register with the bands 11 and 12.

n In the design illustrated in Figures 5, 6 and 7 lower bands 41, which are'carrier by the ends of a bar 42 are supported at four points with angle'bars having vertical legs 45, and 44' secured to the bar with bolts 45 and 46 that extend through base'flanges 47 and 48 of the angle irons-respectively,- and a cross bar 49 in which flanges 50 and 51 at the ends thereof are secured to the band 41, through groups of openings as indicated by the numerals 52 and 53 with'bolts 54 and 55, The cross bar 49 is securedjto the bar 42 with a bolt 56. The ends of the bands 41 are over-lapped and secured to the upwardly extended leg 44. with bolts 57, which extend through openings 58 and 59 in the ends of the band, and the band, at the opposite side, is. secured to the leg 43 with a bolt 60.

In this design an upper band 61 is secured to the upper end of the leg 44 with a bolt 62 extending through a slot 63 in the leg 44 to provide vertical adjustment of the upper bandin relation to the lower band and also in relation to a similar bandon the opposite side of a post 64 upon which the bar 42 is mounted.

The bar 42 is secured to the post 64 with a U bolt 65 on the threadedlends of which nuts 66 are provided. A plate 67 may be placed over the ends of the U bolt and positioned between the nuts and surface of the bar 22.

In this designia'reflector 68 is secured by a rivet 69 to aflange 70on the. end of the arm 71, the arm being secured to the bar 42 with bolts 72.

' In the design illustrated in'Figures 8 to 12 inclusive, large lower bands 73' and 74 are mounted on a cross arm or bar 75.,that is mounted on a post or pole 76 with a U bolt 77,,having 'nuts 78 and a bearing plate 79 on threaded ends thereof, and "small upper bands 80 .and 81' are'supported above the lower bands.

The device is also provided with arcuate deflectors 82 which are supported from the cross arm 75 with arms The outer portions of the rings or bands 73 and 74 are secured to the ends of the cross arm 75 with clip' angles 84 that are secured to the ends of the cross arm with bolts85 and the bands are secured to the clip angles with insulated bolts 86.

The'inner portions of the bands 73. and 74 are secured by insulated bolts 87 to vertically disposed bars 88 which support one side of the smallbands and the lower ends ofithe bar 88, are bolted to the cross arm 75 with bolts S9 that extend through flanges90 on the lower ends of the bar. The upper ends of'the bars 88 aresecured to the bands 80 and 81 with insulated bolts 91 and the opposite sides of the small bands are supported with similar bars 92;, the upper ends of which are secured to the bands with'bolts, 93. The lower ends of the bars 92 are secured by bolts '94 to the cross arm with the bolts extended through flanges 95. The upper bands 80. and 81 are secured inspaced: relation with a brace 96,.the ends of which are secured to the bars 88 with bolts 97.

The reflectors 82 are secured to upwardly extended sections 98 of the arms 83 with insulated bolts 99 and with the'arms 83 bolted to the "under surface of the. cross arm 75'the reflectors will be aligned with the large bands 73 and 74.

thedesign illustrated in Figure 9 the ends of the small bands 80 and 81 are secured to a splicing bar 100 with bolts 101 and th'e'bar 100 is secured to the bar 88 4. with the bolts 91. The bands 73 and 74 may be formed in the same manner with the ends of the bands 73 and 74 secured to a splicing bar 102 with bolts 103.

The cross bar 75 is supported, at the center, with a block 194 and clip angles 105 and 106 are secured against the undersurface of the block with the bolts 89 which secure the block 104 and the supporting bars 88 to the cross bar 75.

The lower bands 73 and 74 are connected toindividual elements in the television receiver with leads 107 and 108 and similar leads 1 09 and 110, extend from the bands 30 and 81 providing a twin lead transmission line. The leads are carriedthr'ough' a tubular post, such as a post 76 with the leads forming a cable as indicated by the numeral 111. l

It will be understood that the reflectors may be adjusted to different positions in relation to the bands and the relative positions of the bands may be adjusted to compensate for different conditions."

The bands on"opposite sidesof the center post or pole may be in'the same or indifferent planes whereby with the supporting members provided with slotted openings, such as the opening 63, in Figure 5, aband on one side of the post maybe positioned above or below a corresponding band on the opposite side.

It will also be understood that to meet different conditions the bands may be located in diflerent positions around the post instead of being oppositely V positioned as disclosed.

It will be understood that other modifications may be made in the design and arrangements of the parts, within the scope of the appended claims, without departing from the spirit ofthe invention.

What is claimed is:

1. An antenna comprising a conductor including small and large circular bands with the bands positioned in vertically spaced substantially horizontal planes and with the small band above the large bandand positioned with an edge of the small bandaligned vertically with an edge of the large band.

2. An'antenna comprising aconductor including small andlarge circular bands with the bands positioned in yettically' spaced substantially horizontal planes and with thesmall band above the largeband and positioned with an edge of the small band aligned vertically with an edge of the large band, and a reflector positioned in a plane extended through. the large .bandand. spaced fromv said large band. i i

3. An antenna comprising small and large circular bands with the bands positioned in .vertically spaced substantially horizontal planes and with. the small hands above the large bands and positioned with. the edge. of the small band aligned vertically with an edgeof the large band, and a reflector positioned in aplane extended through the large band and spaced from said large band, said reflector being located on one side of said large band.

4. An antenna comprisinga horizontally disposed support having vertically positioned elements thereon including circular horizontally disposed lower bands positioned substantially in a plane; parallel tothe support and secured to the lower parts of the vertically positioned elements, said bands being extended from saidelements, and upper bands, the diameters. of which are less than the diameters of the former bands spaced above and positioned in planes parallel to said lower bands, said upper bands being secured to upper parts of said vertically positioned elements.

5. An antenna comprising a horizontally disposed support having vertically positioned elements thereon includ ing circularfhoriz'ontally disposed lower bands positioned substantially in a plane parallel t o the support and secured to the lower parts of the vertically positioned elements, said bands being extended from said elements, upper bands, the diameters of which are less than the diameters of the former bands spaced above and in planes parallel to said circular horizontally disposed lower bands, said upper bands being secured to upper parts of said vertically positioned elements, and reflectors mounted in the plane of said circular horizontally disposed lower bands and positioned on one side of the center of said bands.

6. In an antenna, the combination which comprises a post, a horizontally disposed support carried by the post, vertically positioned elements carried by the support, large circular lower bands positioned with edges thereof at one of the sides of the bands secured to ends of the support, small upper bands mounted in horizontally disposed planes spaced above the plane of the lower bands and positioned with edges thereof at one of the sides of the bands secured to the vertically positioned elements extended from the support, and reflectors mounted on the post extended in the plane of the large lower bands and positioned in one side of the centers of said large lower bands.

References Cited in the file of this patent UNITED STATES PATENTS 

